选择题:The sales manager had his secretary ________ a pre

题目内容:

The sales manager had his secretary ________ a press conference for their new products.

(4.0分)4.0 分
A、
to arrange  

B、
have arranged 

C、
arranged

D、
arrange
参考答案:

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AutoCAD 2018在缺省情况下不显示菜单栏,若需显示,只需单击[快速访问]工具栏下拉列表按钮,在弹出的菜单中选择[ ]命令,即可显示AutoCAD用户菜单

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公差带形状为两同轴线圆柱面之间区域的为( )。(3.0分)3.0 分A、圆度B、圆柱度C、径向全跳动D、径向圆跳动

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